the Padi EFR teaches you the skills to perform CPR and basic first aid. The course provides you with the fundamental knowledge and correct approach to tackle many medical conditions, injuries or life threatening accidents.
This is not a dive specific course, however it is a requirement for the Rescue Diver course.
For more information on the Padi Emergency First Responder Course: https://padi.com/courses/efr

No Minimum Age requirement
No diving certification required.
Designed for anyone.
Duration: 1 day

Price : 
EFR – Emergency First Response     $ 129

Non – diving first aid course, Certification costs are additional 70$